Antique Fire Opal & Diamond Ring On May 16, 2014 · $0.00 Out of stock SKU: SKU-2298 Category: Archive Description Description Vintage Opal Fire Ring. Opal is for October birth Special! Circa 1910 Fire Opal ring flanked by six Old Mine cut diamonds. 18KT yellow gold. Size 6 Related products Antique Fire Opal & Old Mine Cut Diamonds Ring $2,350.00 Read more Tiffany & Co. Heart Gold Bracelet $0.00 Read more Edwardian Diamond Sapphire & Platinum Bracelet $0.00 Read more Antique Old European Diamond Platinum Ring $0.00 Read more